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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 12787628 B1

PDFFull Text
Date of Patent:
Nov. 03, 2026

Filed:

Feb. 09, 2022

Display device

Applicant:

Semiconductor Energy Laboratory Co., Ltd., Atsugi, JP;

Inventors:

Satoshi Seo, Sagamihara, JP;

Rihito Wada, Atsugi, JP;

Assignee:

SEMICONDUCTOR ENERGY LABORATORY CO., LTD., Atsugi, JP;

Attorneys:

Eric J. Robinson

Robinson Intellectual Property Law Office, P.C.

Primary Examiner:

Elmito Breval

Int. Cl.
CPC ...
H10K 59/80 (2023.01); H10K 59/12 (2023.01); H10K 59/122 (2023.01); H10K 59/35 (2023.01); H10K 71/13 (2023.01); H10K 50/10 (2023.01);
U.S. Cl.
CPC ...
H10K 71/135 (2023.02); H10K 59/1201 (2023.02); H10K 59/122 (2023.02); H10K 59/35 (2023.02); H10K 59/80516 (2023.02); H10K 59/80522 (2023.02); H10K 50/10 (2023.02);
Abstract

A display device in which a voltage drop is inhibited is provided. The display device includes a first lower electrode; a second lower electrode; a third lower electrode; an auxiliary electrode; a partition wall including a region overlapping with an end portion of the first lower electrode, an end portion of the second lower electrode, an end portion of the third lower electrode, and the auxiliary electrode; a first light-emitting layer including a region overlapping with the first lower electrode and being positioned in an opening in the partition wall; a first layer positioned between the first lower electrode and the first light-emitting layer; a second light-emitting layer including a region overlapping with the second lower electrode and being positioned in an opening in the partition wall; a second layer positioned between the second lower electrode and the second light-emitting layer; a third light-emitting layer including a region overlapping with the third lower electrode and being positioned in an opening in the partition wall; a third layer positioned between the third lower electrode and the third light-emitting layer; and an upper electrode provided across the first light-emitting layer to the third light-emitting layer, in which the upper electrode is electrically connected to the auxiliary electrode.

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Seo, Satoshi. (2026). Display device (U.S. Patent No. 12787628). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12787628

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